ef0401deb2751ab65c3b737a6a5dc41f541e417f2aa6cc2b3d7c9184d4850ac4

Analysis

max time kernel
136s
max time network
161s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
29-01-2023 16:33

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General

Target

ef0401deb2751ab65c3b737a6a5dc41f541e417f2aa6cc2b3d7c9184d4850ac4.xls
Size

4.8MB
MD5

ff18dcf7d2b0c084a71d182b31822512
SHA1

6e14751bc8fa81f82b428e3b7d85c67b13f61eb0
SHA256

ef0401deb2751ab65c3b737a6a5dc41f541e417f2aa6cc2b3d7c9184d4850ac4
SHA512

2c9396665c5ab2217ab74608ec528d716c301b51071e69886f59f5d4becf25d287b802858c2ff07154a35de615ddc2bcedfe02b0023350a02baf1e3036fb1b32
SSDEEP

98304:8v4K91f7vFpQ+g8RFpiLd+8kLD84tCEr0RtNiC5eSsNMt+r+WC1HnKHnn3BBXXXF:8vpvFa+g8RWLdPk/84tCEr0RtNiC5eSc

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1736 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
1736	EXCEL.EXE
1736	EXCEL.EXE
1736	EXCEL.EXE
1736	EXCEL.EXE
1736	EXCEL.EXE
1736	EXCEL.EXE
1736	EXCEL.EXE
1736	EXCEL.EXE
1736	EXCEL.EXE
1736	EXCEL.EXE
1736	EXCEL.EXE
1736	EXCEL.EXE

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\ef0401deb2751ab65c3b737a6a5dc41f541e417f2aa6cc2b3d7c9184d4850ac4.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1736

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1736-132-0x00007FF9F9A30000-0x00007FF9F9A40000-memory.dmp

Filesize
64KB

Download
memory/1736-133-0x00007FF9F9A30000-0x00007FF9F9A40000-memory.dmp

Filesize
64KB

Download
memory/1736-134-0x00007FF9F9A30000-0x00007FF9F9A40000-memory.dmp

Filesize
64KB

Download
memory/1736-135-0x00007FF9F9A30000-0x00007FF9F9A40000-memory.dmp

Filesize
64KB

Download
memory/1736-136-0x00007FF9F9A30000-0x00007FF9F9A40000-memory.dmp

Filesize
64KB

Download
memory/1736-137-0x00007FF9F78D0000-0x00007FF9F78E0000-memory.dmp

Filesize
64KB

Download
memory/1736-138-0x00007FF9F78D0000-0x00007FF9F78E0000-memory.dmp

Filesize
64KB

Download
memory/1736-139-0x0000025095F70000-0x0000025095F74000-memory.dmp

Filesize
16KB

Download
memory/1736-140-0x0000025092354000-0x0000025092356000-memory.dmp

Filesize
8KB

Download
memory/1736-141-0x0000025092354000-0x0000025092356000-memory.dmp

Filesize
8KB

Download
memory/1736-142-0x000002509900B000-0x000002509900D000-memory.dmp

Filesize
8KB

Download
memory/1736-143-0x0000025099265000-0x0000025099267000-memory.dmp

Filesize
8KB

Download
memory/1736-145-0x0000025099265000-0x0000025099267000-memory.dmp

Filesize
8KB

Download
memory/1736-146-0x00007FF9F9A30000-0x00007FF9F9A40000-memory.dmp

Filesize
64KB

Download
memory/1736-147-0x00007FF9F9A30000-0x00007FF9F9A40000-memory.dmp

Filesize
64KB

Download
memory/1736-148-0x00007FF9F9A30000-0x00007FF9F9A40000-memory.dmp

Filesize
64KB

Download
memory/1736-149-0x00007FF9F9A30000-0x00007FF9F9A40000-memory.dmp

Filesize
64KB

Download